/Engine/Source/Runtime/RenderCore/Public/DynamicBufferAllocator.h
struct FDynamicAllocReadBuffer : public [FDynamicReadBuffer](API\Runtime\RHI\FDynamicReadBuffer)
int32
AllocatedByteCount
int32
NumFramesUnused
Number of successive frames for which AllocatedByteCount == 0.
TArray< FShader...
SubAllocations